Patents
Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726)
06/2006
06/07/2006CN1783626A Transformer longitudinal error protecting element with multiple side zero sequence ratio brake
06/07/2006CN1783625A Transformer longitudinal error protecting element with maximum side zero sequence ratio brake
06/07/2006CN1783624A Transformer longitudinal error protective element with zero sequence ratio brake
06/07/2006CN1783623A Fault component transformer longitudinal error protecting element with multiple side zero sequence ratio brake
06/07/2006CN1783622A Fault component transformer longitudinal protecting element with maximum side zero sequence ratio brake
06/07/2006CN1783621A Fault component transformer longitudinal error protecting element with zero sequence ratio brake
06/07/2006CN1783620A Fault component transformer longitudinal error protecting method with multiple side zero soquence ratio brake
06/07/2006CN1783619A Tault component transformer longitudinal error protecting method with maximum side zero sequence ratio brake
06/07/2006CN1783618A Fault component transformer longitudinal error protecting method with zero sequence ratio brake
06/07/2006CN1783617A Transformer longitudinal error protecting element with multiple side zero sequence ratio brake
06/07/2006CN1783616A Transformer longitudinal error protecting element with maximum zero sequence ratio brake
06/07/2006CN1783615A Transformer longitudinal error protecting element with zero sequence ratio brake
06/07/2006CN1783614A Transformer longitudinal error protective method with multiple side zero sequence ratio brake
06/07/2006CN1783613A Transformer longitudinal error protecting method with maximum side zero sequence ratio brake
06/07/2006CN1783612A Transformer longitudinal error protecting method with zero sequence ratio brake
06/07/2006CN1258850C Impedance relay protection device according to phase compensation and method thereof
06/06/2006US7058482 Data sample and transmission modules for power distribution systems
06/06/2006US7058481 Method and apparatus for centrally-controlled electrical protection system architecture reliability improvement based on sensitivity analysis
06/06/2006US7057377 Z-state circuit for switching regulators
06/06/2006CA2202658C Multi-wire terminal block employing removable surge protector
06/01/2006US20060114700 Method for controlling the transient response of a power converter powering a load, transient response controller and power converter
06/01/2006US20060114633 Overcurrent detecting apparatus
06/01/2006US20060114625 Electric motor circuit with overload protection
06/01/2006US20060114624 System and method for regulating power in a multiple-output switching converter
06/01/2006US20060114623 Switching type power source device and magnetio resonance imaging device using the same
06/01/2006US20060114065 High linearity digital variable gain amplifier
06/01/2006US20060113943 Contact-detecting apparatus
06/01/2006DE102005055630A1 Verfahren zum Schutz einer elektronischen Vorrichtung, die von einem Gleichstrom-Motor angetrieben wird, und Schaltung zum Erkennen von Positioniersignalen davon A method for protecting an electronic device which is driven by a DC motor, and circuitry for detecting positioning signals thereof
06/01/2006DE102004057066A1 Elektromechanischer Antrieb Electromechanical drive
06/01/2006DE102004053850A1 Verfahren und Vorrichtung zum Temperaturschutz für mindestens einen Antrieb in einem Fahrzeug Method and apparatus for thermal protection for at least one drive in a vehicle
05/2006
05/31/2006EP1662263A1 Dry-type high-voltage load system device and method for preventing chain disconnection/arc discharge of the device
05/31/2006EP1661223A1 Switching device
05/31/2006EP1661220A2 Live conductor stringing and splicing method and apparatus
05/31/2006EP1476627B1 Method for recognising an obstructive situation in a motor driven element
05/31/2006EP0929925B1 Circuit for controlling a motor with a device for recognising an overload
05/31/2006CN2785226Y Long-distance short circuit protector
05/31/2006CN1780348A Power supply controlling method and system for telecommunication system
05/31/2006CN1780162A Mobile communication terminal with anomalous electric current checking function and method thereof
05/30/2006US7054174 Series power switch bridge having the ability of automatic voltage-sharing
05/30/2006US7054173 Circuit with DC filter having a link fuse serially connected between a pair of capacitors
05/30/2006US7054121 Protection circuit for preventing unauthorized access to the memory device of a processor
05/30/2006US7053626 Device and method for monitoring the connection of an electrical supply unit
05/30/2006US7053593 Protection circuits for a DC-to-DC converter
05/30/2006US7053497 Monitoring system for a generator
05/25/2006US20060109691 Power converter
05/25/2006US20060109611 Arrangement for controlling and monitoring a switching installation
05/25/2006US20060109594 Safety interface system
05/25/2006US20060109593 Voltage stabilizer
05/25/2006US20060108987 System and method for determining whether a charging wire is broken
05/25/2006US20060108959 Drive arrangement for activating the hatch of a motor vehicle
05/24/2006CN2783614Y Car motor with interference-resisting performance
05/24/2006CN2783595Y Improved structure for motor phase-loss and overload protection
05/24/2006CN2783594Y 自动式漏电保护器 Automatic leakage protection
05/24/2006CN1777522A Traction transformer and method for monitoring an operating status of a traction transformer
05/24/2006CN1776986A Controllable damp device of ferromagnetic resonance for electromagnetic voltage transformer for distribution network
05/24/2006CN1776759A Intelligent transformer power line anti theft device
05/23/2006US7050313 Aircraft AC-DC converter
05/23/2006US7050282 Power supply clamp circuit
05/23/2006US7050281 Device and method for determining rare short circuit
05/23/2006US7050280 High speed transfer system
05/23/2006US7050278 Motor controller incorporating an electronic circuit for protection against inrush currents
05/23/2006US7049958 Integrated circuit for a transponder
05/18/2006WO2006052744A2 Position-sensorless control of interior permanent magnet machines
05/18/2006WO2006052535A2 Surge-suppression system for submersible electric motors
05/18/2006WO2006051853A1 Freezing apparatus
05/18/2006WO2006051060A1 Method and device for automatic systems designed to operate movable barriers
05/18/2006US20060104097 DC converter
05/18/2006US20060103992 Voltage regulator
05/18/2006US20060103239 Vehicle-mounted power generator set
05/18/2006DE10346645B4 Mit elektrischem Motor angetriebenes Servolenkgerät With electric motor-driven power steering apparatus
05/18/2006DE102005053257A1 Leistungshalbleitervorrichtung Power semiconductor device
05/18/2006DE102004058957A1 Electric arc identifying device for motor vehicle, has evaluation unit to identify arc based on sensor signals and information, which is about condition of loads that are applied in electric circuit and input into device via interface
05/18/2006DE102004058633B3 Fault current limiter for use in power circuit, has two main valves provided for bridging inductors, and two auxiliary valves connected in series with main valves and bridged by protective circuit for limiting current when fault occurs
05/18/2006DE102004034333A1 Verfahren zum Regeln eines an einer Gleichspannungsquelle angeschlossenen Stromrichters A method for controlling a device connected to a DC voltage source converter
05/18/2006CA2586785A1 Surge-suppression system for submersible electric motors
05/17/2006EP1657799A2 Battery device in a mobile terminal and operating method thereof
05/17/2006EP1656730A1 Protection circuit for a power supply unit, and power supply unit with a respective protection circuit
05/17/2006EP1656722A2 Methods, systems and apparatus for regulating frequency of generated power using flywheel energy storage systems with varying load and/or power generation
05/17/2006EP1558939A4 Apparatus and method for simultaneously detecting the power state of a plurality of circuit breaker switches
05/17/2006EP1057233B1 Zone arc fault detection
05/17/2006CN1773876A Battery device in a mobile terminal and operating method thereof
05/17/2006CN1773802A Matrix type converter fault protecting method and circuit for supporting fault-tolerant operation
05/17/2006CN1773801A Switch supply source cut-off type output short-circuit protector
05/17/2006CN1773799A Ratio braking method of variable brake coefficient based on time scale
05/17/2006CN1773409A Power supply device for display equipment
05/17/2006CN1256593C Method and apparatus for identifying failure in radiation electric network and use of the same method
05/16/2006US7046530 Method and apparatus for current limiting of an output of a DC-to-DC converter
05/16/2006US7046492 Power transformer/inductor
05/16/2006US7045990 Portable device having a charging circuit and semiconductor device for use in the charging circuit of the same
05/16/2006US7045984 Method and apparatus for adjustment and automatic readjustment of the lamp in a microscope
05/16/2006US7045982 Driving circuit for brushless motor
05/16/2006US7045837 Hardmask with high selectivity for Ir barriers for ferroelectric capacitor manufacturing
05/11/2006WO2006000431A3 Control device of an adjusting device of a motor vehicle
05/11/2006US20060098366 Battery protecting circuit
05/11/2006US20060098359 Surge-suppression system for submersible electric motors
05/11/2006US20060098358 Power supply configured to detect a power source
05/11/2006US20060097728 Fault location using measurements of current and voltage from one end of a line
05/11/2006US20060097703 Output control device of generation device
05/11/2006US20060097702 Position-sensorless control of interior permanent magnet machines
05/11/2006DE202006004221U1 Frequency converter, has protection unit dividing space within housing into immolating section and protection section and impeding spreading of degrading effect of explosion occurring in immolating section into protection section